Autodesk Forge Proxy Server

Overview

This sample is demonstrating how to host a proxy server to forward all requests from the Forge Viewer to this backend without showing access token in your viewer frontend.

Requirements

• node.js v8.9.4 or later

Setup

1. Download and install Node.js (that will install npm as well)
2. Download this repo anywhere you want
3. Execute 'npm install', this command will download and install the required node modules automatically for you.
   

   npm install

Use of the sample

Before starting the server, you have to set the Forge credentials up.

• Mac OSX/Linux (Terminal)

  export FORGE_CLIENT_ID=<<YOUR_CLIENT_ID_FROM_DEVELOPER_PORTAL>>
  export FORGE_CLIENT_SECRET=<<YOUR_CLIENT_SECRET>>

• Windows (use Node.js command line from Start menu)

  set FORGE_CLIENT_ID=<<YOUR_CLIENT_ID_FROM_DEVELOPER_PORTAL>>
  set FORGE_CLIENT_SECRET=<<YOUR_CLIENT_SECRET>>

• Windows (use Powershell from Start menu)

  $env:FORGE_CLIENT_ID="<<YOUR_CLIENT_ID_FROM_DEVELOPER_PORTAL>>"
  $env:FORGE_CLIENT_SECRET="<<YOUR_CLIENT_SECRET>>"

Then Run the server

npm start

• Configure viewer endpoint Initialize your viewer app in this way:

const options = {
   env: 'AutodeskProduction',
   accessToken: 'eyJhbGciOiJIUzI1NiIsImtpZCI6Imp3dF9zeW1tZXRyaWNfa2V5X2RldiJ9.eyJjbGllbnRfaWQiOiJjWTFqcm1rQXhPSVptbnNsOVhYN0puVURtVEVETGNGeCIsImV4cCI6MTQ4NzU2NzgwMSwic2NvcGUiOlsiZGF0YTpyZWFkIl0sImF1ZCI6Imh0dHBzOi8vYXV0b2Rlc2suY29tL2F1ZC9qd3RleHAzMCIsImp0aSI6InJZcEZZTURyemtMOWZ1ZFdKSVVlVkxucGNWT29BTDg0dFpKbXlmZ29ORW1MakF0YVVtWktRWU1lYUR2UGlnNGsifQ.uzNexXCeu4efGPKGGhHdKxoJDXHAzLb28B2nSjrq_ys' //!<<< Pass a expired token to avoid initializing auth issue on the Forge Viewer v7.x
};

Autodesk.Viewing.Initializer( options, () => {
  // Change derivative endpoint to Proxy endpoint
  Autodesk.Viewing.endpoint.setApiEndpoint( 'http://127.0.0.1:8085/forge-proxy', 'derivativeV2' );

  Autodesk.Viewing.Document.load(documentId, onDocumentLoadSuccess, onDocumentLoadFailure);
});

License

This sample is licensed under the terms of the MIT License. Please see the LICENSE file for full details.

Written by

Eason Kang
Forge Partner Development
https://developer.autodesk.com/
https://forge.autodesk.com/blog